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# Copyright 2005-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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# Generate using https://github.com/thesamesam/sam-gentoo-scripts/blob/main/niche/generate-libunwind-docs
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# Set to 1 if prebuilt, 0 if not
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# (the construct below is to allow overriding from env for script)
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: ${LIBUNWIND_DOCS_PREBUILT:=1}
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LIBUNWIND_DOCS_PREBUILT_DEV=sam
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LIBUNWIND_DOCS_VERSION=1.7.1
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# Default to generating docs (inc. man pages) if no prebuilt; overridden later
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LIBUNWIND_DOCS_USEFLAG="+doc"
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inherit multilib-minimal
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DESCRIPTION="Portable and efficient API to determine the call-chain of a program"
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HOMEPAGE="https://savannah.nongnu.org/projects/libunwind"
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if [[ ${PV} == 9999 ]] ; then
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LIBUNWIND_DOCS_PREBUILT=0
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EGIT_REPO_URI="https://github.com/libunwind/libunwind"
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inherit autotools git-r3
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else
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SRC_URI="https://github.com/libunwind/libunwind/releases/download/v${PV}/${P}.tar.gz"
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if [[ ${LIBUNWIND_DOCS_PREBUILT} == 1 ]] ; then
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SRC_URI+=" !doc? ( https://dev.gentoo.org/~${LIBUNWIND_DOCS_PREBUILT_DEV}/distfiles/${CATEGORY}/${PN}/${PN}-${LIBUNWIND_DOCS_VERSION}-docs.tar.xz )"
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fi
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KEYWORDS="amd64 arm arm64 hppa ~loong ~mips ppc ppc64 ~riscv ~s390 -sparc x86 ~amd64-linux ~x86-linux"
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fi
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[[ ${LIBUNWIND_DOCS_PREBUILT} == 1 ]] && LIBUNWIND_DOCS_USEFLAG="doc"
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LICENSE="MIT"
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SLOT="0/8" # libunwind.so.8
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IUSE="debug debug-frame ${LIBUNWIND_DOCS_USEFLAG} libatomic lzma static-libs test zlib"
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RESTRICT="test !test? ( test )" # some tests are broken (toolchain version dependent, rely on external binaries)
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BDEPEND="
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doc? ( app-text/texlive-core )
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"
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RDEPEND="
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lzma? ( app-arch/xz-utils[static-libs?,${MULTILIB_USEDEP}] )
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zlib? ( sys-libs/zlib[static-libs?,${MULTILIB_USEDEP}] )
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"
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# We just use the header from libatomic.
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DEPEND="
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${RDEPEND}
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libatomic? ( dev-libs/libatomic_ops[${MULTILIB_USEDEP}] )
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"
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PATCHES=( "${FILESDIR}/${PN}-1.7.2-backport-pr521.patch" )
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MULTILIB_WRAPPED_HEADERS=(
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/usr/include/libunwind.h
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# see libunwind.h for the full list of arch-specific headers
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/usr/include/libunwind-aarch64.h
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/usr/include/libunwind-arm.h
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/usr/include/libunwind-hppa.h
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/usr/include/libunwind-ia64.h
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/usr/include/libunwind-mips.h
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/usr/include/libunwind-ppc32.h
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/usr/include/libunwind-ppc64.h
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/usr/include/libunwind-riscv.h
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/usr/include/libunwind-sh.h
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/usr/include/libunwind-tilegx.h
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/usr/include/libunwind-x86.h
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/usr/include/libunwind-x86_64.h
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)
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src_prepare() {
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default
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chmod +x src/ia64/mk_cursor_i || die
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if [[ ${PV} == 9999 ]] ; then
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eautoreconf
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fi
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}
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multilib_src_configure() {
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local myeconfargs=(
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# --enable-cxx-exceptions: always enable it, headers provide the interface
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# and on some archs it is disabled by default causing a mismatch between the
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# API and the ABI, bug #418253
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--enable-cxx-exceptions
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--enable-coredump
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--enable-ptrace
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--enable-setjmp
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$(use_enable debug-frame)
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$(multilib_native_use_enable doc documentation)
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$(use_enable lzma minidebuginfo)
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$(use_enable static-libs static)
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$(use_enable zlib zlibdebuginfo)
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# conservative-checks: validate memory addresses before use; as of 1.0.1,
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# only x86_64 supports this, yet may be useful for debugging, couple it with
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# debug useflag.
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$(use_enable debug conservative_checks)
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$(use_enable debug)
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$(use_enable test tests)
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)
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export ac_cv_header_atomic_ops_h=$(usex libatomic)
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ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
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}
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multilib_src_compile() {
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# bug #586208
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CCACHE_NODIRECT=1 default
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}
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multilib_src_test() {
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# Explicitly allow parallel build of tests.
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# Sandbox causes some tests to freak out.
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SANDBOX_ON=0 emake check
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}
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multilib_src_install_all() {
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find "${ED}" -name "*.la" -type f -delete || die
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# If USE=doc, there'll be newly generated docs which we install instead.
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if ! use doc && [[ ${LIBUNWIND_DOCS_PREBUILT} == 1 ]] ; then
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doman "${WORKDIR}"/${PN}-${LIBUNWIND_DOCS_VERSION}-docs/man*/*.[0-8]
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fi
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}
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